CLF-C02 Cloud Concepts Practice Question
A customer is evaluating moving to AWS and asks about the total cost of ownership (TCO) benefits. Which of the following is NOT a factor that reduces TCO when migrating to AWS?
⚠ Common exam trap
The trap here is that candidates may mistakenly view staff training as a cost-saving measure (e.g., reducing need for specialized on-premises administrators), but the question specifically asks for factors that reduce TCO, and training is an added cost, not a reduction.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Staff training costs for cloud technologies
Staff training costs for cloud technologies are an additional investment required when migrating to AWS, not a factor that reduces total cost of ownership (TCO). While AWS reduces hardware and facility costs, training represents a new expense for upskilling teams on cloud services like EC2, S3, and IAM, which increases rather than decreases TCO.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Eliminating hardware refresh cycles
Why it's wrong here
Eliminating hardware refresh cycles is a well-recognized TCO benefit of cloud migration because the cloud provider continuously upgrades its underlying servers and storage without requiring the customer to purchase new equipment on a fixed lifecycle. This shifts capital expenditure (CapEx) on periodic hardware replacement to operational expenditure (OpEx) that scales with actual usage. Since this action clearly lowers long-term infrastructure costs, it cannot be the correct answer to a question asking for an item that does NOT reduce TCO.
- ✗
Reducing data center facility costs
Why it's wrong here
Reducing data center facility costs is another direct TCO advantage, as moving to the cloud removes the need for physical space, power, cooling, and on-site maintenance that are otherwise fixed expenses of running a private data center. Customers no longer pay for idle capacity or facility overhead, and instead pay only for the compute and storage resources they consume. Because this significantly lowers the total cost of ownership, it is a wrong answer for a question seeking a cost-increasing factor.
- ✓
Staff training costs for cloud technologies
Why this is correct
Staff training costs for cloud technologies are not a TCO reduction; they are an additional upfront investment required when an organization migrates to the cloud. Existing IT staff must learn new skills such as cloud architecture, security best practices, and service-specific management, and these training expenses can actually increase total cost of ownership during the transition period. Unlike the other options, this represents a cost increase rather than a savings, making it the correct answer to the question.
- ✗
Pay-as-you-go pricing model
Why it's wrong here
The pay-as-you-go pricing model is a foundational TCO benefit of cloud computing because it replaces large upfront infrastructure purchases with flexible per-use billing, allowing organizations to match costs exactly to actual demand. This model eliminates the expense of over-provisioning and avoids paying for idle resources, directly reducing the overall total cost of ownership. Since this is a key mechanism for achieving cloud cost savings, it cannot be the correct answer to the question.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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About these practice questions
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CLF-C02 exam.